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120469 (1992 DG9)
Classification: Main-belt Asteroid          SPK-ID: 2120469
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2291297653605341 2.5476e-08  
a 2.305185719588954 7.3235e-09 au
q 1.776999056547083 5.774e-08 au
i 3.522449105798116 4.6062e-06 deg
node 195.7550346549641 5.3872e-05 deg
peri 251.6838360472183 5.6055e-05 deg
M 126.6245650451064 1.2368e-05 deg
tp 2458750.851888819450
(2019-Sep-24.35188882)
4.357e-05 TDB
period 1278.372170260449
3.50
6.092e-06
1.668e-08
d
yr
n .2816081328856334 1.342e-09 deg/d
Q 2.833372382630826 9.0015e-09 au
  Orbit Determination Parameters
   # obs. used (total)      801  
   data-arc span      17002 days (46.55 yr)  
   first obs. used      1973-11-02  
   last obs. used      2020-05-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50785  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 17:06:35  

Additional Information
 Earth MOID = .796758 au 
 Jupiter MOID = 2.39949 au 
 T_jup = 3.551 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.55   n/a E2021B55  

120469 (1992 DG9)          Discovered 1992-Feb-29 by UESAC at La Silla
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2074-Dec-29 03:52 00:01 Juno 0.0214281375417085 0.0214214797799631 0.0214347970960379 3.53491638309255 3.53491622247892 2478935.661215501 1.474252650167 454.847671364988 43.1090067075483 43.4338739120609 51313.0260861957 T 18 CATAB v2.0f-lin.ifort 2021-Apr-13 17:06:38 2021-Apr-13 17:06

Alternate Designations
 1992 DG9 = 1973 VC = 1996 HP26 = 2001 SV154 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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